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Reducing drug deaths from novel psychoactive substances relies on foreign legislation, but here’s how it can be tackled closer to home

The UK's response to NPS deaths highlights the importance of international cooperation and domestic legislation in reducing harm. Effective controls implemented in producing countries, such as China, were associated with larger reductions in NPS detections than controls introduced solely within consuming countries.

SourceFrontiers·JournalFrontiers in Pharmacology·TypeObservational study·DateJan 29, 2026

Findings of study on how illegally manufactured fentanyl enters U.S. contradict common assumptions, undermining efforts to control supply

A recent study by Carnegie Mellon University found that illegally manufactured fentanyl primarily enters the US via counties along the Canadian border. The analysis revealed these counties accounted for over 40% of large fentanyl seizures in 2023-2024, despite comprising only 3.1% of the national population. This finding undermines eff...

Warning signs may not be effective to deter cannabis use in pregnancy: Study

A new study published in the Journal of Studies on Alcohol and Drugs suggests that mandatory warning signs at cannabis dispensaries may not be effective in deterring pregnant users. In fact, many participants reported distrust towards the content of the warnings, viewing them as stigmatizing or negative. The researchers interviewed 34 ...

SourceJournal of Studies on Alcohol and Drugs·JournalJournal of Studies on Alcohol and Drugs·TypeSurvey·DateFeb 6, 2025

60% of women with disabilities view cannabis as a ‘harmless’ drug

A study published in Cannabis and Cannabinoid Research found that approximately 60% of women with disabilities perceive no risk associated with weekly cannabis use. Women with disabilities are more likely to view cannabis as harmless than those without disabilities, highlighting the need for effective screening and dissuasion strategies.

SourceFlorida Atlantic University·JournalCannabis and Cannabinoid Research·TypeData/statistical analysis·DateMay 7, 2024

Police seizures of psychedelic drugs are soaring throughout the United States

Seizures of psilocybin, a hallucinogenic compound found in psychedelic mushrooms, have surged by 369% across the US since 2017, according to a new study. The highest number of seizures were recorded in the Midwest and West regions, with nearly quadrupled amounts of seized drugs.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalDrug and Alcohol Dependence·TypeData/statistical analysis·DateFeb 6, 2024

States with legalized medical marijuana see decline in nonmedical opioid use

A Rutgers study found that states with legalized medical marijuana experience a 0.5 to 1.5 percentage point decrease in regular nonmedical prescription opioid use among people who reported using opioids in the previous year. However, this reduction is concentrated in individuals with cannabis addiction, highlighting the need for compre...

SourceRutgers University·JournalInternational Journal of Mental Health and Addiction·TypeData/statistical analysis·DateNov 14, 2023

Local retail outlets for legal marijuana may be associated with alcohol co-use among high school students: Study

A recent study found that areas with local retail availability of legalized marijuana have higher rates of marijuana and alcohol co-use among high school students. The study suggests that 'greater retail availability may normalize' marijuana use for young people, even if they can't purchase it directly from retail businesses.

SourceJournal of Studies on Alcohol and Drugs·JournalJournal of Studies on Alcohol and Drugs·TypeSurvey·DateOct 16, 2023

In states that legalized cannabis, frequent cannabis use became more common in young adults who are not in college, OSU study finds

An Oregon State University study found that young adults not in college became more frequent users of cannabis and met criteria for cannabis use disorder after state legalization. The prevalence of frequent cannabis use increased by 5 percentage points among non-college young adults, while college students saw a smaller increase.

SourceOregon State University·JournalAmerican Journal of Preventive Medicine·TypeData/statistical analysis·DateAug 2, 2023

De facto decriminalization of drug possession reduces the overall arrest toll on the Black community, although racial disparities persist

A new study finds that de facto decriminalization of drug possession in Baltimore led to significant reductions in low-level drug-related arrests, mainly among the Black community. However, racial disparities persisted, with the ratio of street arrests in Black residents increasing after the policy change.

SourceElsevier·JournalAmerican Journal of Preventive Medicine·TypeData/statistical analysis·DateJun 19, 2023

Can cannabis use disorder be accurately diagnosed?

Researchers at Rutgers University propose a new approach to accurately diagnosing cannabis use disorder, particularly for individuals who use cannabis for therapeutic purposes. The current diagnostic manual may misdiagnose these individuals due to the rapid increase in state-level legalization of medical marijuana.

SourceRutgers University·JournalJAMA Psychiatry·TypeData/statistical analysis·DateMar 27, 2023

Pregnant women’s cannabis usage in legalized US states raises calls for screening

A new national study found pregnant women in legalized US states are far more likely to use cannabis, with a 4.6 times higher rate compared to CBD-only states. The study emphasizes the need for prenatal and primary care providers to screen and counsel patients regarding cannabis use in pregnancy.

SourceTaylor & Francis Group·JournalThe American Journal of Drug and Alcohol Abuse·TypeObservational study·DateNov 29, 2022

Price and convenience can drive consumers to purchase cannabis from illegal, rather than legal, sources: Study

A study found that higher prices and inconvenience associated with legal sources drove consumers to purchase cannabis from illegal providers. The main reasons cited by respondents were legal sources being too expensive and inconvenient, with convenience being the second-highest factor.

SourceJournal of Studies on Alcohol and Drugs·JournalJournal of Studies on Alcohol and Drugs·TypeSurvey·DateMay 24, 2022

Passage of recreational cannabis laws leads to some rise in use but not for all demographics

A study by Columbia University found that recreational cannabis laws led to increased past-year and past-month cannabis use among Hispanic, Other and non-Hispanic white individuals, but not among non-Hispanic Black people or those aged 12-20. The researchers also highlighted persistent racial disparities in cannabis arrests and incarce...

Legal marijuana may be slowing reductions in teen marijuana use, study says

A new study from the University of Washington found that teens may be more likely to use marijuana following legalization due to increased adult use and store proliferation. The study's lead author notes that early use during adolescence can have negative health consequences, making it concerning that teen use may be going up.

SourceUniversity of Washington·JournalAmerican Journal of Preventive Medicine·DateJul 20, 2020

History holds valuable lessons in the war on drugs

This groundbreaking research sheds light on the complex origins of drug policies that have inspired murderous violence in Mexico and the US. By examining the history of drugs in Latin America, researchers offer new perspectives on how societies have dealt with drugs and their cultural significance.

SourceUniversity of Cincinnati·JournalHispanic American Historical Review·DateMar 4, 2015

Pro-marijuana 'tweets' are sky-high on Twitter

Researchers analyzed over 7.6 million tweets about marijuana, finding that 77% were pro-pot, while only 5% were anti-marijuana. Pro-pot tweets often encouraged use and made claims about health benefits, reaching a large audience of young people at risk for substance abuse.

SourceWashU Medicine·JournalJournal of Adolescent Health·DateJan 22, 2015